Finding the Fourth Proportional to 119,882,779.76, 165,438,234.06 and 64,878,636.26
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Solution
The fourth proportional to 119,882,779.76, 165,438,234.06 and 64,878,636.26 is: 89,532,516.95
Step by Step Solution
- Step 1: Write the proportion equation
119,882,779.76 : 165,438,234.06 = 64,878,636.26 : x - Step 2: Convert to fraction form
119,882,779.76/165,438,234.06 = 64,878,636.26/x - Step 3: Cross multiply
119,882,779.76x = 165,438,234.06 × 64,878,636.26 - Step 4: Simplify right side
119,882,779.76x = 10,733,407,011,075,482 - Step 5: Solve for x
x = 10,733,407,011,075,482/119,882,779.76 - Step 6: Final answer
x = 89,532,516.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.